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Jacksonville, Florida Criminal Defense Lawyer

Jax residents trust us when it matters most

Have you been charged with a crime in Jacksonville, Florida? Dealing with a complicated legal case in Avondale, Riverside or another Jacksonville neighborhood? Confused about what you should do next?

Put your trust in an experienced Jacksonville criminal defense lawyer who knows the city and understands how the legal system works in Duval County. Contact Aguilar & Sieron, P.A. right now and schedule an appointment with us.

A former prosecutor in Florida’s Fourth Judicial Circuit, which includes Jacksonville, criminal defense attorney Mark Sieron has years of experience representing people charged with serious crimes in Florida’s largest city. Find out how we can help you. Contact us 24 hours a day, 7 days a week.

Cases we handle in Jacksonville

Mark understands how the legal system works on the inside. That’s why he has such a strong track defending clients charged with serious crimes in Jacksonville. Some of the criminal cases we regularly handle include:

Where Were You Arrested?

Why Choose Us

Experience matters when it comes to choosing a lawyer to defend you or a loved one in Jacksonville. That’s why people throughout The River City rely on us when it matters most. Mark knows what questions to ask, what evidence to look for and how to compile a strong legal case designed to succeed.

You have too much at stake to take chances with your criminal defense. If you are found guilty, you could be fined thousands of dollars, locked up in jail for months or years and suffer permanent damage to your reputation.

Attorney Sieron knows what’s on the line. That’s why he takes the time to develop a comprehensive legal strategy that addresses your unique legal needs. Our detailed approach often includes:

  • Analyzing your arrest report for inconsistencies
  • Advocating to have your charges dismissed
  • Filing motions to suppress evidence
  • Tracking down witnesses and interviewing them
  • Consulting with experts if necessary
  • Speaking on your behalf with law enforcement officials
  • Appearing with you at all court appearances
  • Taking your case to trial, if necessary

This might be your only opportunity to clear your name and make a fresh start. Make sure you have an experienced criminal defense lawyer on your side who takes your case seriously. Make sure you have Aguilar & Sieron, P.A. in your corner. Contact our law firm today.

Avondale

Located in between Roosevelt Boulevard and St. Johns River, the upscale Jacksonville neighborhood of Avondale has been a popular place to live for decades. If you have been charged with a crime in Avondale, criminal defense attorney Mark Sieron can fight for justice on your behalf. Our law firm handles a wide range of cases – from DUI arrests on Park Street or St. Johns Avenue, to drug charges, sex crimes or other serious offenses. Whatever the circumstances of your arrest, we can work with you to build a strong legal case.

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Riverside

Located near St. Johns River, Roosevelt Boulevard, Interstate 10 and Interstate 95, the historic Jacksonville neighborhood of Riverside (which also includes the smaller neighborhood of Five Points) has a diverse array of homes, businesses, parks (including Riverside Park and Memorial Park) and St. Vincent’s Medical Center Riverside. If you or a family member has been charged with a crime in Riverside, criminal defense attorney Mark Sieron can work with you to build the strongest possible legal case. Rely on us if you’re facing a serious criminal charge, including a DUI arrest, drug charge, sex crime or another serious offense. We can help.

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Ortega

Located on a peninsula in the St. Johns River, the historic Jacksonville neighborhood of Ortega contains some of the city’s grandest and most elegant homes, as well as The Florida Yacht Club.  If you or a family member has been charged with a crime in Ortega, criminal defense lawyer Mark Sieron can represent you throughout your legal proceeding. Our law firm has extensive experience handling complicated criminal cases throughout the area. Contact us if you are facing a DUI charge, drug arrest, sex crime or another serious criminal offense. We can defend your rights and demand justice.

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(The) Southside

One of Jacksonville’s largest neighborhoods, Southside also includes San Marco, Baymeadows and several other smaller neighborhoods. Easily reached by Interstate 95, Interstate 295 and other major roads and highways, Southside includes a large range of businesses and residences. If you or a family member has been charged with a crime in Southside, criminal defense attorney Mark Sieron can defend your rights and demand justice. Our law firm has years of experience helping people charged with serious crimes. Contact us if you are facing a drug arrest, DUI charge, sex crime or another serious criminal offense.

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Mandarin

Located on the St. Johns River near Jacksonville’s Southside, Mandarin is the city’s southernmost neighborhood in the city. Easily reached by Interstate 295, Mandarin’s name comes from the Mandarin orange groves which used to be found throughout this community. If you or a family member has been charged with a crime in Mandarin, criminal defense lawyer Mark Sieron can work with you and help build the strongest possible legal case. We understand how the legal system works in Duval County and can represent you throughout your legal proceeding. Contact us if you are facing a DUI charge, drug arrest, sex crime or another serious criminal offense. We can demand justice for you.

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